Alpha GPC 50%

Alpha GPC 50%

Improve memory and attention


【Product Name】Alpha GPC 50%     

【CAS No】28319-77-9

【Molecular Formula】C8H20NO6P

【Formula Weight】257.22


【Test Method】HPLC

【Appearance】White waxy solid powder



L-Alpha glycerylphosphorylcholine (alpha-GPC, choline alfoscerate) is a naturalcholine compound found in the brain and in milk. It is also a parasympathomimeticacetylcholine precursor which may have potential for the treatment of Alzheimer's disease and dementia.  Alpha-GPC is also used as a nootropic dietary supplement to enhance memory and cognition.

Alpha GPC rapidly delivers choline to the brain across the blood-brain barrier and is a biosynthetic precursor of the acetylcholine neurotransmitter.Alpha GPC is derived from highly purified soy lecithin by companies like Lipoid, VAV Life Sciences, Chemi SPA etc.
Studies have investigated its efficacy for cognitive disorders including stroke and Alzheimer's Disease. An Italian multicentre clinical trial on 2,044 patients suffering from recent stroke were supplied alpha-GPC in doses of 1,000 mg/day for 28 days and 400 mg three times per day for the five ensuing months. The trial confirmed the therapeutic role of alpha-GPC on the cognitive  of patients based on four measurement scales, three of which reached statistical significance.

ItemSpecificationResultTest Method
Active Ingredient
Assay(%, On Dried Basis)NLT98.0%~102%99.20%HPLC
Physical Control
AppearanceFine  Powder with highly HygroscopicCompliesVisual
ColorWhite CompliesVisual
IdentificationPositiveCompliesIR&1H NMR
Specification Rotation[a]25D-2.4 to -2.95-2.61USP
Color of SolutionNMT Y7CompliesUSP
Loss on Drying5.0% Max2.58%USP
Chemical Control
Heavy metalsNMT10PPMConformsCPh
Sulfate(SO4)NMT 0.020%ConformsCPh
Chloride(Cl)NMT 0.020%ConformsCPh
Solvent ResidualMeeting USP StandardConformsGC



【Storage】 Store in a cool dry place to avoid heat.



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